期刊
MATERIALS LETTERS
卷 178, 期 -, 页码 288-291出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.05.016
关键词
SnO2 nanofibres; Electrospinning; Camphene; Morphological change
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT, and Future Planning [NRF-2015R1A1A1A05001252]
We fabricated various morphological SnO2 nanofibres (NFs), which are controlled from dense to fibre-in hollow and hollow nanostructures, by electrospinning with the introduction of camphene. To control the morphologies of the SnO2 NFs, the relative loading amounts of camphene to solvent were adjusted to be 0, 50, and 125 wt%. As a result, the SnO2 NFs formed at 0 wt% camphene showed a dense nanostructure due to the shrinkage effect caused by the thermal decomposition of the polyvinylpyrrolidones. For 50 wt% camphene, the SnO2 NFs formed the fibre-in-hollow nanostructure because of the occurrence of the Kirkendal effect on the surface of the as-spun SnO2 NFs. For 125 wt% camphene, the morphology exhibited a hollow nanostructure because of the occurrence of the Kirkendal effect on the entire area of the as -spun SnO2 NFs. Thus, as the loading amount of camphene was increased, the morphology of the SnO2 NFs changed from dense to fibre-in-hollow and to hollow. (C) 2016 Elsevier B.V. All rights reserved.
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